Here are the stock reports from five spine device companies for April 30, 2015 and how they compare to their numbers last week on April 23.
Globus Medical
Open: $24.45 (up)
Previous close: $24.64
Market cap: $2.26 billion (down)
NuVasive
Open: $45.35 (up)
Previous close: $45.52
Market cap: $2.15 billion (flat)
K2M
Open: $21.40 (down)
Previous close: $21.56
Market cap: $831.89 million (down)
LDR
Open: $32.66 (down)
Previous close: $32.84
Market cap: $308.43 million (down)
Amedica
Open: $0.27 (down)
Previous close: $0.27
Market cap: $6.5 million (down)